AYES Switzerland is looking for: Position: Senior Mechanical System Engineer – Powerplant Systems Location: Luzern, Switzerland Contract: Permanent contract, full-time position Salary: It will be discussed during the recruiting process, taking into consideration seniority and responsibilities within the activity. AYES is a Switzerland-based Engineering and Technology consulting company with headquarters in Baden. Our core business lies in the industrial world, with a main focus on Aerospace, Space & Defense, Railway, Energy. Always following excellence and professionalism, AYES supports clients all over Switzerland, Europe, and the USA. AYES offers innovation, technology, and engineering R&D, considering human resources as a key value and a strong driver for growing and sharing know-how and experiences. Key Responsibilities: •\tProvide engineering support for propeller and hub-related mechanical systems within advanced aircraft powerplant architectures. •\tCapture, analyse, and validate system requirements, ensuring the production of clear and structured technical documentation. •\tDemonstrate system compliance with applicable airworthiness and certification standards (FAR / EASA CS-23). •\tDevelop system-level test plans, test procedures, and certification reports for submission to certification authorities. •\tTechnically coordinate and monitor supplier development activities related to assigned systems and components. •\tSupport aircraft and propulsion system ground and flight test campaigns, including international travel when required. Our ideal candidate should have: •\tUniversity degree in Aeronautical, Mechanical, or Mechatronics Engineering. •\tMinimum of eight years of experience in aerospace mechanical systems within development, integration, and certification environments. •\tProven experience in systems engineering activities related to one or more aircraft systems. •\tKnowledge of powerplant or propulsion system integration is considered an advantage. •\tStrong data analysis, reporting, and documentation skills, with the ability to manage multiple activities in parallel. •\tFluent English skills (C1 level); knowledge of German is considered a plus. If you are a team player with strong communication skills, a problem-solving attitude, and the desire to be part of a growing international engineering company focused on the aerospace sector with opportunities in Europe then… SAY YES AND GROW WITH AYES!